add backend theme AdminLte, bind reception/transaction to a permission

backend/views/site_orig/error.php

@@ -0,0 +1,27 @@
+<?php
+
+/* @var $this yii\web\View */
+/* @var $name string */
+/* @var $message string */
+/* @var $exception Exception */
+
+use yii\helpers\Html;
+
+$this->title = $name;
+?>
+<div class="site-error">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <div class="alert alert-danger">
+        <?= nl2br(Html::encode($message)) ?>
+    </div>
+
+    <p>
+        The above error occurred while the Web server was processing your request.
+    </p>
+    <p>
+        Please contact us if you think this is a server error. Thank you.
+    </p>
+
+</div>

backend/views/site_orig/index.php

@@ -0,0 +1,17 @@
+<?php
+
+/* @var $this yii\web\View */
+
+$this->title =  Yii::$app->name;
+?>
+<div class="site-index">
+
+    <div class="jumbotron">
+        <h1>Web Admin</h1>
+
+        <p class="lead">Üdvözöljük adminisztrációs felületünkön</p>
+
+    </div>
+
+
+</div>

backend/views/site_orig/login.php

@@ -0,0 +1,35 @@
+<?php
+
+/* @var $this yii\web\View */
+/* @var $form yii\bootstrap\ActiveForm */
+/* @var $model \common\models\LoginForm */
+
+use yii\helpers\Html;
+use yii\bootstrap\ActiveForm;
+
+$this->title =   Yii::t('common/site' , 'Login');
+$this->params['breadcrumbs'][] = $this->title;
+?>
+<div class="site-login">
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <p><?php echo Yii::t('common/site' , 'Please fill out the following fields to login:') ?> </p>
+
+    <div class="row">
+        <div class="col-lg-5">
+            <?php $form = ActiveForm::begin(['id' => 'login-form']); ?>
+
+                <?= $form->field($model, 'username') ?>
+
+                <?= $form->field($model, 'password')->passwordInput() ?>
+
+                <?= $form->field($model, 'rememberMe')->checkbox() ?>
+
+                <div class="form-group">
+                    <?= Html::submitButton( Yii::t('common/site' ,'Login'), ['class' => 'btn btn-primary', 'name' => 'login-button']) ?>
+                </div>
+
+            <?php ActiveForm::end(); ?>
+        </div>
+    </div>
+</div>